This is one of the main themes that the historian will be studying. The study of history can be divided in a few major historical themes. This is because many historical events follow similar patterns or deal with similar problems. In this case, if the historian studies the effects of industrial air pollution on sugarcane farms, he is studying the interactions between humans and the environment. This is a theme that can be traced back to the development of agriculture.
The U.S. government responded to its entrance into World War II "<span>c. by expanding government control over the economy" although many Japanese were interned. </span>
Economic growth can reduce poverty by doing all of the above. Growth benefits all aspects of society--public and private--and often occurs in areas where there is lots of competition.
